George Lucas and Steven Spielberg recently took part in a symposium in whichthey predicted an imminent “implosion” in the system as a result of the industry’s current obsession with blockbuster movies. Curious about whether or not this was simply exaggeration, Vulture’s David Edelstein got in contact with producer Lynda Obst, author of a new book titled Sleepless in Hollywood: Tales From the New Abnormal in the Movie Business. During their conversation, she grimly agreed with the two moguls, predicting, “If, say, four huge tentpole [movies] were to go down at the same time in the same season, it would be catastrophic.”